Changed django-tastypie to install via git from known working commit
Changed django-tastypie to install via git from known working commit

    - The upcomming version of django-tastypie will have some
      features already used by the RESTful API. Thus, we have
      to install it from github. Once, django-tastypie is
      released it will changed back to the official stable
      release.

Change-Id: Id3b361e93d61d711c7f0a3496a2ebabc19846e38

nomeata/codespeed,nomeata/codespeed,cykl/codespeed,cykl/codespeed,alex/codespeed,alex/codespeed